• High-brightness bicycle tail light, protect you at night

• 4 lighting modes: strong, weak, quick flash and strobe

• USB rechargeable, no battery replacement

• Only 2 hours to fully charge and stop automatically

• Easy to install. Mounts to any bike quickly and easily

Specification:

• Modes: Strong / Weak / Quick Flash / Strobe

• Waterproof rating: general anti-rain

• Material: aluminum alloy

• Weight: 0.08kg (with battery)

• Applicable tube: 20mm~40mm